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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int i, j, k, a, b;
  5.  
  6.     for (a = 3; a <= 1500; a++) {
  7.         j = 0;
  8.         for (i = 1; i < a; i++) {
  9.             if (a % i == 0) {
  10.                j += i;
  11.             }
  12.         }
  13.  
  14.         for (b = 2; b < a; b++) {
  15.             k = 0;
  16.             for (i = 1; i < b; i++) {
  17.                 if (b % i == 0) {
  18.                     k += i;
  19.                 }
  20.             }
  21.  
  22.             if (j == b && k == a) {
  23.                 printf("%d: ", a);
  24.                 for (i = 1; i < a; i++) {
  25.                     if (a % i == 0) {
  26.                         printf("%d ", i);
  27.                     }
  28.                 }
  29.                 printf("=%d\n", j);
  30.  
  31.                 printf("%d: ", b);
  32.                 for (i = 1; i < b; i++) {
  33.                     if (b % i == 0) {
  34.                         printf("%d ", i);
  35.                     }
  36.                 }
  37.                 printf("=%d\n\n", k);
  38.             }
  39.         }
  40.     }
  41.  
  42.     return 0;
  43. }
  44.  
Success #stdin #stdout 1.96s 5284KB
comments (?)
stdin
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NMKHMD
stdout
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284: 1 2 4 71 142 =220
220: 1 2 4 5 10 11 20 22 44 55 110 =284

1210: 1 2 5 10 11 22 55 110 121 242 605 =1184
1184: 1 2 4 8 16 32 37 74 148 296 592 =1210
https://ideone.com/NFAH2j
language:
C (clang 8.0)
created:
5 days ago
visibility:
public

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